I just got a pair of the new DT770 Pro X headphones and here's a quick summary until measurements are done. I purchased this preview version myself, so no conflict of interest if you buy one or not. More photos attached to the post, so it doesn't clutter things up. I've had every Beyerdynamic model for my business, so have a good perspective having had the chance to use over 300 different headphones and IEMs. Lacking test equipment, I'll give lots of comparisons to popular models. In a nutshell, these sound the most like the Truthear Zero Red but...

I just got the Drop SMSL HO150x this week, and have a ton of others to compare it to. It's basically an SMSL SP200 but with a quiet noise floor and smoother volume wheel. It doesn't get hot (lukewarm at best) and sounds flawless with lots of power and simple controls. I've got an SMSL C200 and DL200 as a DAC for testing, and the quality on the HO150x is noticeably better sounding than the onboard amplifier on either combo unit. I test for channel matching, and even though that varies per unit, this one is within .5db in high gain and tightens up...

Just got the 4.4mm version of these in. Tested on an SMSL DL200 DAC and Topping A90 amplifier. These are a fun planar really best for hiphop, EDM, or happy teen music. It's not for critical listening or production work. I bought these with my own money and at about $69 and a $10 off coupon, they're a good value for a planar, just not as competitive as the 7hz Salnotes Zero:2 I got at the same time. Those really set a new bar of price and performance for IEMs. My usual daily driver is a Simgot EA500 with black nozzles. Listening to them now without...

I bought these personally for $30 on Aliexpress during the 11/11 sale, so no financial interest if/where you buy them or not. Testing was done with the SMSL DL200 using stock cable and Sonicfoam tips. Some people can write "Moby Dick" but I have the attention span to write "French Military Victories of the 20th Century" so I'll keep it brief with lots of real world comparisons. I have an audio equipment business, so I've heard a ton of what's out there (including the PR1 and PR2) to compare it to. The Basics: They come in a simple box with a small...